The number of emergency department encounters that included a head CT more than doubled between 2007 and 2022, according to a study published Nov. 19 in Neurology. Researchers from the medical schools ...

Head CT Scan Use Has Doubled In U.S. ERs By Dennis Thompson HealthDay ReporterTHURSDAY, Nov. 20, 2025 (HealthDay News) — Use of head CT scans in U.S. emergency departments has more than doubled over ...

Each year, the US performs more than 93 million computed tomography (CT) scans, many of which offer limited clinical value. For patients with mild head injuries, CT scans are often ordered reflexively ...